Make Website Scanner discoverable in sidebar nav.

Deploy Recon was wired at /deploy-recon but buried at the bottom of a non-scrolling sidebar under an opaque label; move it after Crucible, rename to Website Scanner, enable nav scroll, and add route/nav smoke tests plus README.

server/web/src/components/Layout/Layout.tsx

@@ -51,6 +51,7 @@ type NavItem = { readonly to: string; readonly label: string; readonly icon: str
 const NAV_BASE: readonly NavItem[] = [
   { to: '/dashboard', label: 'Command Deck', icon: 'deck' },
   { to: '/crucible', label: 'Crucible', icon: 'crucible' },
+  { to: '/deploy-recon', label: 'Website Scanner', icon: 'recon' },
   { to: '/activity', label: 'Activity Feed', icon: 'activity' },
   { to: '/roi', label: 'ROI Intelligence', icon: 'roi' },
   { to: '/lotl-timeline', label: 'Onion', icon: 'onion' },
@@ -59,10 +60,12 @@ const NAV_BASE: readonly NavItem[] = [
   { to: '/mission-deck', label: 'Mission Deck', icon: 'mission', glow: true },
   { to: '/builds', label: 'Builds', icon: 'builds' },
   { to: '/emberwake', label: 'Emberwake', icon: 'ember' },
-  { to: '/deploy-recon', label: 'Deploy Recon', icon: 'recon' },
   { to: '/settings', label: 'Calibrate', icon: 'gear' },
 ];
 
+/** Exported for nav regression tests (route + label discoverability). */
+export const operatorNavItems = NAV_BASE;
+
 const SEER_NAV: NavItem = { to: '/seer', label: 'Seer', icon: 'seer' };
 
 function buildNav(aiControlEnabled: boolean): NavItem[] {
@@ -340,6 +343,7 @@ export default function Layout({ children }: LayoutProps) {
     '/lotl-timeline': 'Onion',
     '/pathtracer': 'Tracer',
     '/forge':     'Forge',
+    '/deploy-recon': 'Scanner',
   };
 
   return (
@@ -369,6 +373,7 @@ export default function Layout({ children }: LayoutProps) {
             <NavLink
               key={item.to}
               to={item.to}
+              title={item.to === '/deploy-recon' ? 'Deploy Recon — browser spread scanner (/browser-spread)' : undefined}
               className={({ isActive }) =>
                 `nav-item${'glow' in item && item.glow ? ' nav-item--mission' : ''} ${isActive ? 'active' : ''}`
               }